/* ===== MODERN TECH CSS ===== */

:root {
    /* Colors - Dark Tech Theme */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #1a1a1c;
    --bg-card: #1e1e21;
    --bg-hover: #26262a;
    
    --text-primary: #f8f9fa;
    --text-secondary: #a3a3a3;
    --text-muted: #6c6c6c;
    
    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    
    --border: #2a2a2e;
    --border-hover: #404048;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    
    /* Animations */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    overflow-x: hidden;
}

/* ===== LAYOUT ===== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== NAVIGATION ===== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-3xl) 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
}

.hero-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ===== CODE WINDOW ===== */

.code-window {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.window-header {
    background: var(--bg-tertiary);
    padding: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border-bottom: 1px solid var(--border);
}

.window-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27ca3f; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.code-content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
}

.code-line {
    margin-bottom: 4px;
}

.code-comment { color: #6a9955; }
.code-keyword { color: #569cd6; }
.code-class { color: #4ec9b0; }
.code-function { color: #dcdcaa; }
.code-string { color: #ce9178; }

/* ===== BUTTONS ===== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

/* ===== SECTIONS ===== */

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-3xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.featured-video,
.videos,
.articles {
    padding: var(--space-3xl) 0;
}

.videos {
    background: var(--bg-secondary);
}

/* ===== FEATURED VIDEO ===== */

.featured-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.featured-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.featured-content {
    padding: var(--space-xl);
}

.featured-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.featured-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== VIDEO CARDS ===== */

.video-grid,
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.video-card,
.article-card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.video-card:hover,
.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.video-thumbnail,
.article-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumbnail img,
.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.video-card:hover .video-thumbnail img,
.article-card:hover .article-image img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.play-button svg {
    width: 24px;
    height: 24px;
    margin-left: 3px;
}

.video-thumbnail:hover .play-button {
    opacity: 1;
    background: rgba(0, 212, 255, 0.9);
    box-shadow: var(--shadow-glow);
}

.duration {
    position: absolute;
    bottom: var(--space-xs);
    right: var(--space-xs);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.video-content,
.article-content {
    padding: var(--space-lg);
}

.video-content h3,
.article-content h3 {
    margin-bottom: var(--space-xs);
}

.video-content h3 a,
.article-content h3 a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.video-content h3 a:hover,
.article-content h3 a:hover {
    color: var(--accent-primary);
}

.video-date,
.article-date {
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    font-family: var(--font-mono);
}

.video-description,
.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== SECTION FOOTER ===== */

.section-footer {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ===== FOOTER ===== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-2xl) 0 var(--space-lg) 0;
}

.footer-content {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.footer-text {
    color: var(--text-secondary);
    font-style: italic;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== BLOG STYLES ===== */

.blog-header {
    padding: var(--space-3xl) 0 var(--space-2xl) 0;
    margin-top: 70px;
    text-align: center;
}

.blog-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    margin-top: var(--space-sm);
    transition: var(--transition);
}

.read-more:hover {
    transform: translateX(5px);
}

/* ===== ARTICLE PAGE STYLES ===== */

.article {
    padding-top: 70px;
}

.article-header {
    padding: var(--space-3xl) 0;
    text-align: center;
}

.article-cover {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-lg);
}

.article-meta h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.article-body h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: var(--space-xl) 0 var(--space-md) 0;
    color: var(--accent-primary);
}

.article-body h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--space-lg) 0 var(--space-sm) 0;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
    color: var(--text-secondary);
}

.article-body ul,
.article-body ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
}

.article-body li {
    margin-bottom: var(--space-xs);
    line-height: 1.6;
    color: var(--text-secondary);
}

.article-body li strong {
    color: var(--accent-primary);
}

.article-body code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--accent-primary);
}

.article-body pre {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-md);
    overflow-x: auto;
    margin: var(--space-md) 0;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

.video-embed {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    text-align: center;
}

.video-link {
    display: inline-block;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition);
}

.video-link:hover {
    transform: translateY(-2px);
    color: var(--accent-secondary);
}

.article-footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border);
    margin-top: var(--space-3xl);
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ===== TOOLS PAGE ===== */

.tools-header {
    padding: var(--space-3xl) 0 var(--space-2xl) 0;
    margin-top: 70px;
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.tool-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-lg);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.tool-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.tool-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.tool-info h3 {
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.tool-info h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.tool-info h3 a:hover {
    color: var(--accent-primary);
}

.tool-info p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

.tool-category {
    margin-bottom: var(--space-3xl);
}

.tool-category h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xl);
    text-align: center;
    color: var(--accent-primary);
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .featured-card {
        grid-template-columns: 1fr;
    }
    
    .video-grid,
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .code-content {
        font-size: 0.8rem;
        padding: var(--space-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .nav-container {
        padding: 0 var(--space-sm);
    }
    
    .hero {
        padding: var(--space-2xl) 0;
    }
    
    .featured-video,
    .videos,
    .articles {
        padding: var(--space-2xl) 0;
    }
    
    .video-grid,
    .article-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}